Gears Pack of 100 4 Sizes

Mixed Gears – 4 Sizes (Pack of 100)

This mixed pack of 100 polythene gears includes four different sizes, making it ideal for teaching gearing principles across a wide range of model types. Each gear is colour‑coded and compatible with standard 2mm and 3mm shafts, supporting diverse classroom engineering projects.

Key Features

• 15mm (12 teeth) – accepts 2mm shafts
• 22mm (20 teeth) – accepts 3mm shafts
• 32mm (30 teeth) – accepts 3mm shafts
• 40mm (40 teeth) – accepts 3mm shafts
• Pack contains 80 gears (20 of each size)
• Assorted bright colours

Ideal for D&T Lessons

• Teaching gear ratios and mechanical advantage
• Constructing multi-stage gear trains
• Supporting STEM challenges and motorised model projects